Rock Hydra [Limited Edition Alpha] Swamp Mountain you might as well trade

you might as well trade it for something else

Set: Aether Revolt Type: Artifact Creature — Construct Rarity: Rare Cost: {X}{X} Walking Ballista enters the battlefield with X +1/+1 counters on it

−6: Separate all permanents target player controls into two piles

{T}: Add {B}{B}

If that spell is countered this way

Rock Hydra [Limited Edition Alpha] Swamp Mountain you might as well tradeSet: Limited Edition Alpha Type: Creature Hydra Rarity: Rare Cost: {X}{R}{R} Rock Hydra enters the battlefield with X +1 +1 counters on it. For each 1 damage that would be dealt to Rock Hydra, if it has a +1 +1 counter on it, remove a +1 +1 counter from it and prevent that 1 damage. {R}: Prevent the next 1 damage that would be dealt to Rock Hydra this turn. {R}{R}{R}: Put a +1 +1 counter on Rock Hydra. Activate this ability only during your upkeep.